首页/ 题库 / [单选题]如关系模式 R(U,F) 属于 3NF 的答案

如关系模式 R(U,F) 属于 3NF ,则()。

单选题
2021-09-02 00:08
A、一定属于BCNF
B、消除了插入的删除异常
C、仍存在一定的插入和删除异常
D、属于BCNF且消除了插入和删除异常
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正确答案
C

试题解析

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